Cartridge key case



FIG. 1 is a line drawing showing a front perspective view of the cartridge key case;

FIG. 2 is a line drawing showing a front view of FIG. 1;

FIG. 3 is a line drawing showing a side view of FIG. 1;

FIG. 4 is a line drawing showing a rear view of FIG. 1;

FIG. 5 is a line drawing showing an opposite side view of FIG. 3;

FIG. 6 is a line drawing showing a bottom view of the cartridge key case;

FIG. 7 is a line drawing showing a top view of the cartridge key case;

FIG. 8 is a line drawing showing a sectional view of the cartridge key case taken along line 8-8 in FIG. 2; and,

FIG. 9 is a line drawing showing a view of the cartridge key case in a configuration of use with keys; the features shown in broken lines are for illustrating the environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a cartridge key case, as shown and described. 